component
ADS8638SRGET
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADCs), VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"mpn": "ADS8638SRGET",
"manufacturer": "Texas Instruments",
"package": "VQFN-24-EP(4x4)",
"pin_count": 25,
"category": "ADC/DAC/Data Conversion",
"subcategory": "Analog To Digital Converters (ADCs)",
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"lcsc": "C2651354",
"digikey": "296-29329-2-ND",
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"pins": [
{
"number": "1",
"name": "AVDD",
"type": "power_in",
"description": "Analog power supply for the device."
},
{
"number": "2",
"name": "AGND",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "3",
"name": "AGND",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "4",
"name": "NC",
"type": "unconnected",
"description": "This pin is not internally connected and should not be left floating; it is recommended to connect it to AGND."
},
{
"number": "5",
"name": "AINGND",
"type": "power_in",
"description": "Common for all analog input channels; acts as the ground sense terminal."
},
{
"number": "6",
"name": "AIN7",
"type": "input",
"description": "Analog input channel 7."
},
{
"number": "7",
"name": "AIN6",
"type": "input",
"description": "Analog input channel 6."
},
{
"number": "8",
"name": "AIN5",
"type": "input",
"description": "Analog input channel 5."
},
{
"number": "9",
"name": "AIN4",
"type": "input",
"description": "Analog input channel 4."
},
{
"number": "10",
"name": "AIN3",
"type": "input",
"description": "Analog input channel 3."
},
{
"number": "11",
"name": "AIN2",
"type": "input",
"description": "Analog input channel 2."
},
{
"number": "12",
"name": "AIN1",
"type": "input",
"description": "Analog input channel 1."
},
{
"number": "13",
"name": "AIN0",
"type": "input",
"description": "Analog input channel 0."
},
{
"number": "14",
"name": "HVDD",
"type": "power_in",
"description": "High-voltage positive supply for the multiplexer channels."
},
{
"number": "15",
"name": "HVSS",
"type": "power_in",
"description": "High-voltage negative supply for the multiplexer channels."
},
{
"number": "16",
"name": "CS",
"type": "input",
"description": "SPI chip select digital input."
},
{
"number": "17",
"name": "SCLK",
"type": "input",
"description": "SPI serial clock digital input."
},
{
"number": "18",
"name": "DIN",
"type": "input",
"description": "SPI serial data digital input."
},
{
"number": "19",
"name": "DOUT",
"type": "output",
"description": "SPI serial data digital output."
},
{
"number": "20",
"name": "DGND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "21",
"name": "DVDD",
"type": "power_in",
"description": "Digital I/O supply; may operate from 5 V down to 1.8 V."
},
{
"number": "22",
"name": "AL_PD",
"type": "bidirectional",
"description": "User-configurable pin: active-high alarm output when programmed as AL, or active-low asynchronous power-down input when programmed as PD (default is PD input)."
},
{
"number": "23",
"name": "REFGND",
"type": "power_in",
"description": "Reference ground input when an external reference is selected; acts as reference decoupling ground when the internal reference is selected."
},
{
"number": "24",
"name": "REF",
"type": "input",
"description": "Reference input when an external reference is selected; acts as reference decoupling terminal when the internal reference is selected."
},
{
"number": "25",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
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"at": "2026-10-31T18:42:10"
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"pages": 75,
"sha256": "08d5acce7caa1cda",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
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